<template>
  <div class="login">
    <el-form :model="loginForm" :rules="myrules" ref="loginGo" status-icon class="container">
      <el-form-item>
        <div class="avatar">
          <img src="../assets/avatar.jpg" alt>
        </div>
      </el-form-item>

      <el-form-item prop="username">
        <el-input v-model="loginForm.username" autocomplete="off" prefix-icon="myicon myicon-user"></el-input>
      </el-form-item>

      <el-form-item prop="password">
      <el-input
        type="password"
        autocomplete="off"
        prefix-icon="myicon myicon-key"
        v-model="loginForm.password"
      ></el-input>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" class="login-btn" @click="handleLogin('loginGo')">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123'
      },
      // 效验规则定义
      myrules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    handleLogin (refName) {
      // 2.2 通过ref获取到的dom的validate方法实现js校验。这个方法是内部封装好的，直接调用即可。该方法中传递一个函数，该函数有一个布尔值作为参数，为true表示校验通过，为false表示失败
      this.$refs[refName].validate(isPass => {
        if (isPass) {
          // true就校验通过，到时候登录请求逻辑在这里写
          console.log('去登录')
        } else {
          console.log('效验不通过')
          return false
        }
      })
    }
  }
}
</script>
<style lang="scss" scoped>
  .login {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: #2f4050;

    .container {
      position: absolute;
      left: 0;
      right: 0;
      width: 400px;
      padding: 0px 40px 15px 40px;
      margin: 200px auto;
      background: white;
      .avatar {
        position: relative;
        left: 50%;
        width: 120px;
        height: 120px;
        margin-left: -60px;
        margin-top: -60px;
        box-sizing: border-box;
        border-radius: 50%;
        border: 10px solid #fff;
        box-shadow: 0 1px 5px #ccc;
        overflow: hidden;
      }
      .login-btn {
        width: 100%;
      }
    }
  }
</style>
